486554

Information

• Patent Grant
• 486554

• References
• Source

• Patent Number

  486,554

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1892
  132 years ago

• CPC

  • F28F19/008 - by using scrapers
  • Y10S165/084 - Scraper within annular space formed by concentric cylinders or concentric conical surfaces

• US Classifications

  • 165 - Heat exchange
  • 196 - Mineral oils: apparatus